4. Railway switches and signals
  5. Switches

Jurgen Kruger

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Assembly for signal transfer between a transmitter location and

Communications: electrical – Continuously variable indicating – With supply voltage regulation or compensation
Patent

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Cross-ties for railroad track systems

Railway switches and signals – Switches
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Folded record medium and a blank for a record medium

Printed matter – Maps
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Gas measuring and warning device

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent

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Temperature measuring circuit

Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor
Patent

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Profile ID: LFUS-PAI-P-120936

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